<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .asd {
            width: 700px;
            height: 400px;
            background-color: rgb(223, 216, 216);
            display: flex;
            justify-content: space-around;
            align-items: center;
            /* transition: box-shadow 0.8s ease; */
        }

        .i1 {
            background-image: url(素材1.png);
            width: 230px;
            height: 234px;
            background-color: white;
            /* transition: transform 0.3s ease; */
            transition: transform 0.8s ease;
        }

        .i1:hover {
            transform: scale(1.1);
            box-shadow: 10px 10px 10px 10px gray;
        }

        .i2 {
            background-image: url(素材2.png);
            width: 230px;
            height: 234px;
            background-color: white;
        }
        .i2:hover{
            
        }

        .i3 {
            background-image: url(素材3.jpg);
            width: 230px;
            height: 234px;
            background-color: white;
        }
    </style>
</head>

<body>
    <div class="asd">
        <div class="i1">

        </div>
        <div class="i2">

        </div>
        <div class="i3">

        </div>
    </div>
</body>

</html>